Portion of a shoe upper



FIG. 1 is a left, front, top perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a right elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a portion of a shoe upper, as shown and described. 